Problem: getting task id in Gantt chart

Hello!
I'm developing project Gantt chart, now I'm implementing task update and creation.
I have a following problem: when I try to get a task id to update it using getTaskId() method of DataChangeEvent object, I get a java.lang.IndexOutOfBoundsException.
Here is part of code of my data change listener:
public void handleDataChanged(DataChangeEvent evt)
      int _type = evt.getActionType();
      if (_type == DataChangeEvent.UPDATE)
        BindingContainer bindings = getBindings();
        OperationBinding operationBinding = bindings.getOperationBinding("setCurrentRowWithKeyValue");
        Map params = operationBinding.getParamsMap();
        params.put("rowKey", evt.getTaskId()); // throwing exception in this line - evt.getTaskId()
        operationBinding.execute();
}And here is exception stack trace:
<RegistrationConfigurator><handleError> Server Exception during PPR, #1
javax.el.ELException: java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
     at com.sun.el.parser.AstValue.invoke(AstValue.java:161)
     at com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:283)
     at org.apache.myfaces.trinidad.component.UIXComponentBase.broadcastToMethodExpression(UIXComponentBase.java:1303)
     at oracle.adf.view.faces.bi.component.gantt.UIGantt.broadcast(UIGantt.java:1776)
     at oracle.adf.view.faces.bi.component.gantt.UIProjectGantt.broadcast(UIProjectGantt.java:399)
     at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent$1.run(ContextSwitchingComponent.java:90)
     at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent._processPhase(ContextSwitchingComponent.java:309)
     at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent.broadcast(ContextSwitchingComponent.java:94)
     at oracle.adf.view.rich.component.fragment.UIXInclude.broadcast(UIXInclude.java:97)
     at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent$1.run(ContextSwitchingComponent.java:90)
     at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent._processPhase(ContextSwitchingComponent.java:309)
     at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent.broadcast(ContextSwitchingComponent.java:94)
     at oracle.adf.view.rich.component.fragment.UIXInclude.broadcast(UIXInclude.java:91)
     at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:444)
     at javax.faces.component.UIViewRoot.processDecodes(UIViewRoot.java:541)
     at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl$ApplyRequestValuesCallback.invokeContextCallback(LifecycleImpl.java:1175)
     at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:303)
     at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:177)
     at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
     at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
     at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
     at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)
     at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:191)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:97)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:420)
     at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:420)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:247)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:157)
     at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:94)
     at java.security.AccessController.doPrivileged(Native Method)
     at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:313)
     at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:414)
     at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:138)
     at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.adf.library.webapp.LibraryFilter.doFilter(LibraryFilter.java:159)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.dms.wls.DMSServletFilter.doFilter(DMSServletFilter.java:330)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.doIt(WebAppServletContext.java:3684)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3650)
     at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
     at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
     at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2268)
     at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2174)
     at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1446)
     at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)
     at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)
Caused by: java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
     at java.util.ArrayList.RangeCheck(ArrayList.java:547)
     at java.util.ArrayList.get(ArrayList.java:322)
     at oracle.adf.view.faces.bi.event.DataChangeEvent.getTaskId(DataChangeEvent.java:461)
     at view.backing.GanttPage.handleDataChanged(GanttPage.java:217)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:597)
     at com.sun.el.parser.AstValue.invoke(AstValue.java:157)
     ... 55 moreDo you have any suggestions about this issue?
Thank you in advance!

Hi Benny
Make sure the system in the system landscape has end user access as a permission for all the users who should access it.
Cheers

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=========
<LifecycleImpl> <_handleException> ADF_FACES-60098:Faces-Gültigkeitsdauer empfängt nicht behandelte Exceptions in Phase APPLY_REQUEST_VALUES 2
javax.el.ELException: java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
     at com.sun.el.parser.AstValue.invoke(Unknown Source)
     at com.sun.el.MethodExpressionImpl.invoke(Unknown Source)
     at org.apache.myfaces.trinidad.component.UIXComponentBase.broadcastToMethodExpression(UIXComponentBase.java:1300)
     at oracle.adf.view.faces.bi.component.gantt.UIGantt.broadcast(UIGantt.java:1783)
     at oracle.adf.view.faces.bi.component.gantt.UIProjectGantt.broadcast(UIProjectGantt.java:399)
     at org.apache.myfaces.trinidad.component.UIXCollection.broadcast(UIXCollection.java:148)
     at oracle.adf.view.faces.bi.component.gantt.UIGantt.broadcast(UIGantt.java:1818)
     at oracle.adf.view.faces.bi.component.gantt.UIProjectGantt.broadcast(UIProjectGantt.java:399)
     at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent$1.run(ContextSwitchingComponent.java:92)
     at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent._processPhase(ContextSwitchingComponent.java:361)
     at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent.broadcast(ContextSwitchingComponent.java:96)
     at oracle.adf.view.rich.component.fragment.UIXInclude.broadcast(UIXInclude.java:102)
     at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent$1.run(ContextSwitchingComponent.java:92)
     at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent._processPhase(ContextSwitchingComponent.java:361)
     at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent.broadcast(ContextSwitchingComponent.java:96)
     at oracle.adf.view.rich.component.fragment.UIXInclude.broadcast(UIXInclude.java:96)
     at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:444)
     at javax.faces.component.UIViewRoot.processDecodes(UIViewRoot.java:541)
     at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl$ApplyRequestValuesCallback.invokeContextCallback(LifecycleImpl.java:1394)
     at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:397)
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     at java.lang.reflect.Method.invoke(Method.java:597)
     ... 60 more
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     at org.apache.myfaces.trinidad.component.UIXComponentBase.broadcastToMethodExpression(UIXComponentBase.java:1300)
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     at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent.broadcast(ContextSwitchingComponent.java:96)
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     at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl$ApplyRequestValuesCallback.invokeContextCallback(LifecycleImpl.java:1394)
     at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:397)
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     at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
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     at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)
     at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
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     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:446)
     at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:446)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:271)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:177)
     at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.adf.library.webapp.LibraryFilter.doFilter(LibraryFilter.java:179)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:119)
     at java.security.AccessController.doPrivileged(Native Method)
     at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:315)
     at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:442)
     at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:103)
     at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:171)
     at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:139)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3715)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3681)
     at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
     at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
     at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2277)
     at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2183)
     at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1454)
     at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
     at weblogic.work.ExecuteThread.run(ExecuteThread.java:178)
Caused by: java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
     at java.util.ArrayList.RangeCheck(ArrayList.java:547)
     at java.util.ArrayList.get(ArrayList.java:322)
     at oracle.adf.view.faces.bi.event.DataChangeEvent.getTaskId(DataChangeEvent.java:464)
     at view.backing.projectGanttBean.handleDataChanged(projectGantt.java:104)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:597)
     ... 60 more

In SAP Gantt Chart, you can record how much %age of an activity is completed but you can not get refelction of the same in Gantt chart. However you can see the actual dates of confirmation on Gantt chart by suitable selection of dates you want to view.
SAP Gantt chart do not have this functionality like other project planning softwares.
Regards,
Mahendra Dighe

Problem with gantt chart displaying - Apex4.2

Hi I'm using Apex 4.2 on localhost and
I have got three tables: employee, engineer, dates
-> engineer table is a specification of employee table, that means in employee you can find also the
names of the engineers. Engineer only has an additional attribute.
Here's the structure of the three tables:
employee (e_id, lastname, surname....)
engineer (e_id, attribute)
appointment (a_id, e_id,start, end)
Now my problem: By using the gantt chart the xml doesn't want to show the names of the engineers.
If I only use this sql statement everything works but I only have the e_id from my engineer table:
select
null link,
a.e_id,
(select e_id from engineer where e_id = a.e_id) Engineer,
null parent_id,
a.start,
a.end
from appointment a
If I try to use this statement in order to see the names of the employees no chart will be shown,
only xml error:
select
null link,
a.e_id,
(select emp.lastname from employee emp, engineer e where emp.e_id = e.e_id and e.e_id=a.e_id) Engineer,
null parent_id,
a.start,
a.end
from appointment a
I also created a view which combines the lastname from employee and the e_id from engineer
but same problem.
If I try:
select
null link,
a.e_id,
(select e_id from gantt_view where e.e_id=a.e_id) Engineer,
null parent_id,
a.start,
a.end
from appointment a
Then I'll see e_ids in my gantt chart but if I want to see my employee names
with this statement:
select
null link,
a.e_id,
(select lastname from gantt_view where e.e_id=a.e_id) Engineer,
null parent_id,
a.start,
a.end
from appointment a
Nothing is shown on the gantt chart.
I tested all sql statements on sql developer.
There I was able to see my employee names.
But for gantt charts it doesn't work.
Any solutions?

Great!
Of course, hard to diagnose when there's nothing to see.
Here's an old message in a thread from 2010. (To give credit, it's from Hilary Farrell.)
>
You are correct, the syntax outlined in the error message is incorrect, and I've logged bug 9799373 to track this. As a workaround, you can view sample syntax for Gantt charts on the 'Query' page of the Create wizard, in the 'Chart Query Example for Gantt' Show/Hide region below the text area for entering your chart query, and also in the Oracle APEX 4.0 User's Guide that will be available with our new release. Just in case other users hit the same issue and are unsure of the expected format:
Chart Query Examples for Project Gantt Charts:
SELECT NULL LINK,
TASK_NAME NAME,
TASK_ID ID,
NULL PARENT_ID,
START_DATE ACTUAL_START,
END_DATE ACTUAL_END,
STATUS_NUMBER PROGRESS
FROM TASKS
SELECT 'f?p=4000:2:'||:APP_SESSION||':::P2_ID:'||ID LINK
TASK_NAME NAME,
TASK_ID ID,
PARENT_TASK_ID PARENT_ID,
START_DATE ACTUAL_START,
END_DATE ACTUAL_END,
STATUS_NUMBER PROGRESS
FROM TASKS
SELECT NULL LINK,
TASK_NAME NAME,
TASK_ID ID,
NULL PARENT_ID,
START_DATE ACTUAL_START,
END_DATE ACTUAL_END,
STATUS_NUMBER PROGRESS,
START_DATE-3 PLANNED_START,
END_DATE+1 PLANNED_END
FROM TASKS
Chart Query Examples for Resource Gantt Charts:
SELECT NULL LINK,
RESOURCE_ID ID,
NULL NAME,
NULL PARENT_ID,
START_DATE ACTUAL_START,
END_DATE ACTUAL_END
FROM TASKS
SELECT 'f?p=4000:2:'||:APP_SESSION||':::P2_ID:'||ID LINK
RESOURCE_ID ID,
RESOURCE_NAME NAME,
PARENT_ID PARENT_ID,
START_DATE ACTUAL_START,
END_DATE ACTUAL_END
FROM TASKS
Thanks for reporting this issue, and I'm happy you were able to successfully generate your chart.
Regards,
Hilary
Can you show us the query you are using?
Oh. And what are the data types and lengths of your data?
Howard

Problem getting resource gantt to work

I am experimenting with gantt charts in apex 4.0.2 at the moment and having no success. I can find only sparse documentation regarding the building of gantt charts in APEX and have read the entries in the user guide.
Looking at the xml in debug I see the following error message:
chart Flash Chart error: ORA-20001: get_data error: ORA-20001: get_data error: ORA-20001: Fetch error: ORA-06502: PL/SQL: numeric or value error: character to number conversion error
I am basing the query on the following view:
trainer_activity:
trainer_id number(6,0)
trainer_name varchar2(30)
start_date date
end_date date
I used the wizard when creating the page to build the query and it returned the following:
select null link, TRAINER_ID resource_id, TRAINER_NAME resource_name, null parent_id, START_DATE actual_start, END_DATE actual_end
from "PG"."TRAINER_ACTIVITY"
Attempts to build the query manually based on the examples within apex result in constant failures to parse the query. At least using the wizard I can get past the page build process and run the page.
Any clues? Am I wasting my time using the charts because of bugs?
Regards
PaulG

If you LOOKED at the article, it includes a zip file, which has a few files in it. These files have the table definitions for the data being queried in the chart..
CREATE TABLE "GANTT_INFO"
   (    "ID" NUMBER,
    "TASKS" VARCHAR2(4000),
    "START_DATE" DATE,
    "END_DATE" DATE,
    "STATUS" NUMBER,
    "DETAILS" VARCHAR2(4000),
    "EMP_ID" NUMBER,
    "PARENT_ID" NUMBER
CREATE table "OBE_EMPLOYEES" (
    "EMPLOYEE_ID" NUMBER(6) NOT NULL,
    "FIRST_NAME" VARCHAR2(20),
    "LAST_NAME"   VARCHAR2(25),
    "EMAIL"       VARCHAR2(25),
    "HIRE_DATE"   DATE,
    constraint "OBE_EMPLOYEES_PK" primary key ("EMPLOYEE_ID")
CREATE TABLE "EMP"
    "EMPNO" NUMBER(4,0) NOT NULL ENABLE,
    "ENAME" VARCHAR2(10 BYTE),
    "JOB"   VARCHAR2(9 BYTE),
    "MGR"   NUMBER(4,0),
    "HIREDATE" DATE,
    "SAL"    NUMBER(7,2),
    "COMM"   NUMBER(7,2),
    "DEPTNO" NUMBER(2,0)
)Thus, you have the tables that are used in the demo presented.. The resource name in question is from the sample application with APEX, table name Emp..
Thank you,
Tony Miller
Webster, TX
Never Surrender Dreams!
JMS
If this question is answered, please mark the thread as closed and assign points where earned..

Problems with Gantt Chart

Hi,
I have a Gantt Chart in my page, but there is something wrong with the scales; the major scale says, for example, "Monday, Oct 12", but the minor scale says "S" for sunday and then the major scale says "Tuesday, Oct 13" and the minor "Monday" and so on; they doesn´t correspond to each other... This is just happening in spanish, in english everything is fine, I don't know what can I do to fix this.
I have another problem in the same Gantt: one task has "16/10/2009 08:00:00 a.m." for start date and "17/10/2009 08:00:00 p.m." for end date, which gives a duration of 2 days, but in the gantt it is displayed as a 3 days duration!! this happen for every task in the gantt. I've been testing and I found that if I change the end date to "17/10/2009 06:00:00 p.m." (just changing 8 to 6 pm) the duration is displayed just fine, with the 2 days it should be. Actually this strange behavior happens only when the hour is equal or grater than 8:00pm. I've searched in the developers guide but it doesn't say anything about this; I don´t know if the OAF Gantt use some e-business parameter, or something; I really don´t know what can be happening.
I hope you can help me!
Thanks and regards,
Carlos V

Not sure about changing the scale at runtime but from what I've learned, if it can't be done in Crystal Reports itself - it can't be done via code. And in CR the only way I know of is to do the multiple charts in multiple subsections and conditionally suppress based on the number of records (Projects in your case).
You could go to the development forum and ask the question about doing it programatically.

Gantt Chart Data not getting pouplated

Hello,
I am using Gantt charts in apex for showing up large data.
I am following this method to store huge data which is in xml(more than 32k) into a page item. (http://apex.oracle.com/pls/otn/f?p=35254:5:877211585824396::NO).
I set my session state like APEX_UTIL.set_session_state (p_name => 'P10_DATA', p_value => APEX_APPLICATION.g_x01) and pass this item into gantt chart
The problem i am facing is that even though i see that the value of P10_DATA is populated with all the data during debugging, upon opening session and checking the item's value, it displays null !!!
Note:For data with less than 32k, Gantt chart loads correctly and the item's value gets saved.
Anyine please help me with this..
Regards,
Uday

Hello,
I am using Gantt charts in apex for showing up large data.
I am following this method to store huge data which is in xml(more than 32k) into a page item. (http://apex.oracle.com/pls/otn/f?p=35254:5:877211585824396::NO).
I set my session state like APEX_UTIL.set_session_state (p_name => 'P10_DATA', p_value => APEX_APPLICATION.g_x01) and pass this item into gantt chart
The problem i am facing is that even though i see that the value of P10_DATA is populated with all the data during debugging, upon opening session and checking the item's value, it displays null !!!
Note:For data with less than 32k, Gantt chart loads correctly and the item's value gets saved.
Anyine please help me with this..
Regards,
Uday

Adf gantt chart: how to drag the task bar to another date

hi all,
how can I drag the task bar to another date in ADF Gantt Chart.
do I need coding(like handler DataChangeEvent in dataChangeListener),
or just set some properties.
thank you for your help !
zqh

We are unable to drag the gantt bars in our application. Initially this used to work fine and we used to get a call back for the action type TIME_CHANGED in the data change event. But now neither we are getting handle around the bars for expanding/collapsing them nor we are getting any callback for this event.
Looks like if the Edit feature is added in the featuresoff attribute of gantt then the gantt becomes un-interactive. Is there a way by which we can remove the Edit menu but still be able to drag/expand/collapse the task bars?
Edited by: 907043 on Jun 25, 2012 2:45 AM

Resource details are not getting displayed in gantt chart -- R12 instance

Hi All,
we are working on a scenarior in R12 instance.
when we run a resource constraint plan and navigate to Gantt chart the complete application is getting hanged and it is not Displaying any resource details.
Before 2 days we were able to view the Gantt chart and resource details were populating properly.
Resource Avalability and usage is correct.
Thanks,
Vasudha

Hi
In R12 Gantt chart is enhanced to show resource gantt in 3 different view. Res units view,resource hours view and res availability view.
Please do the following and see if it works.
On work bench go to Tools , preferences > set gantt chart preferences. even if u want to leave them as default, uncheck something save., and check again and save.
Let me know if it works.
Tnx
Partha

Problems with BusinessGraphics Gantt Chart: WebDynpro 7.1 SP3

Hi,
i tried the BusinessGraphics Gantt Chart and went through the Code Example for Displaying a Gantt Chart on:
http://help.sap.com/saphelp_nw04/helpdata/en/a8/1cd93f5e0f9015e10000000a155106/content.htm
Unfortunately my gantt does not look and behave like it should:
1) The bars are only small sqares in the middle of one day. I use the same data as in the sample, so the bars should be a couple of days long
2) I added an action, added an EventID to the series and to the point, mapped the parameters. When clicking a point a roundtrip is done. I write a success message with the eventID but often the Gantt Picture is a broken image after this (small red cross).
3) The tooltip of the point is not shown in the chart when pointing on the square
Can anybody help, please?
Thanks
Frank

Thanks a lot! This solved one of three problems. The trick is that you can set the marker for the points (without any effect) and for the series (with effect).
The tooltip shows up now, too. No idea why now and not before...

Problem: getting task id in Gantt chart

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